PSr2

Melting point: 235- 238 ° C

Soldering copper and nickel with a vitreous and ceramic; Soldering and tinning of jewelry

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Precious metals	Silver solders

Chemical composition

Standard	Fe, %	Sn, %	Bi, %	Pb, %	Cd, %	Ag, %
Standard	Fe, %	Sn, %	Bi, %	Pb, %	Cd, %	Ag, %
GOST 19738-74	< 0.15	29–31	< 0.01	61.04–64.8	4.5–5.5	1.7–2.3

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Physical characteristics

Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	9500	0.167

Casting and technological parameters

melting point, °C
melting point, °C
235–238

Standards

Standard	Description
Standard	Description
GOST 19738-74

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Sn	%	Tin
Bi	%	Bismuth
Pb	%	Lead
Cd	%	Cadmium
Ag	%	Silver

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\rho$	$\frac{kg}{m^3}$	The density of the material
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa